Sensor (input) static jam service check
Action Yes No
Step 1
Check the input sensor area for jammed media fragments.
Is the paper path free of partially fed or jammed media?
Go to step 2. Clear the paper path
of any media
fragments.
Step 2
Check the jam access cover if it is blocking the input sensor.
Is it blocking the input sensor?
Replace the jam
access cover. See
“Jam access cover
removal” on
page 280.
Go to step 3.
Step 3
Check the input sensor cable for proper connection.
Is it properly connected?
Go to step 4. Reseat the cable.
Step 4
POR into the Diagnostics menu and perform a sensor test:
Diagnostics Menu > Base Sensor Test > Input.
Does the sensor state on the control panel display change when
it is toggled?
Go to step 5. Replace the input
sensor. See
“Duplex
sensor and input
sensor removal” on
page 292.
Step 5
Does the error remain?
Contact the next
level of support.
The problem is
solved.
Sensor (input) early/late arriving service check
Action Yes No
Step 1
Check the paper source.
Is the paper from the MPF?
Go to step 2. Go to step 5.
Step 2
Check the MPF pick roller and separator pad for damage and
contamination.
Are they free of damage and contamination?
Go to step 3. Replace the MPF
pick roller and
separator pad. See
“MPF pick roller
removal” on
page 279 and
“Separator pad
removal” on
page 287.
4514-6xx
Diagnostics and troubleshooting
92
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